Part number: MER-0015400617 is a new, unused Genuine Mercedes oxygen sensor. Your oxygen sensor works with your car's computer to optimize your engine's performance. If it is not working properly the result could include reduced fuel mileage, failed emissions testing as well as a check engine light.

Genuine Mercedes parts are recommended by the factory for your Mercedes. You can expect replacement trim pieces to fit without issue, and suspension and engine parts will offer a greater life and better performance.

Through our extensive knowledge of cars and technology innovations, FCP Euro is able to provide it's customers with an easy-to-use online shopping experience experience. Since 1986 FCP Euro has focused on quality and selection of it's replacement parts focusing on OEM and Genuine product offering.

FCP Euro is committed to providing exceptional quality and service for life which is why they offer a lifetime warranty on all products they sell, free shipping over $49, unlimited hassle free returns, and free technical support to assist with all of your repair and replacement part needs.

What If I Need to Return This Item?
Not a problem! If you are not happy with your purchase, we will gladly help you exchange or return your items, provided you follow the guidelines outlined in our Returns Policy.